内容简介
DB42/T 971-2014城镇桥梁沥青混凝土铺装层施工技术与验收规程
Technical and acceptance standards forconstruction of asphalt pavement on town bridge
报批稿（2014年6月25日）
2014-09-01实施
2014-04-18 发布
目 次
前言.........................................................................................................................................................1
1 范围..........................................................................................................................................................1
2 规范性引用文件 .......................................................................................................................................1
3 术语符号...................................................................................................................................................2
3.1 术语...................................................................................................................................................2
3.2 符号...................................................................................................................................................3
4 桥面铺装组合结构设计............................................................................................................................3
4.1 一般规定 ...........................................................................................................................................3
4.2 典型铺装层材料................................................................................................................................3
4.3 典型铺装结构....................................................................................................................................4
5 原材料 ....................................................................................................................................................10
5.1 一般规定 .........................................................................................................................................10
5.2 环氧沥青 .........................................................................................................................................10
5.3 复合硬质改性沥青 ..........................................................................................................................13
5.4 浇注式聚合物改性沥青...................................................................................................................14
5.5 高粘及高粘高弹改性沥青...............................................................................................................14
5.6 SBS 改性沥青...................................................................................................................................15
5.7 界面功能层材料..............................................................................................................................15
5.8 集料.................................................................................................................................................18
5.9 填料.................................................................................................................................................19
5.10 其他材料........................................................................................................................................20
6 环氧沥青铺装.........................................................................................................................................20
6.1 一般规定 .........................................................................................................................................20
6.2 桥面预处理......................................................................................................................................20
6.3 施工温度 .........................................................................................................................................21
6.4 防水粘结层......................................................................................................................................22
6.5 配合比设计......................................................................................................................................23
6.6 环氧沥青混合料的拌制...................................................................................................................24
6.7 环氧沥青混合料的运输...................................................................................................................25
6.8 环氧沥青混合料的摊铺...................................................................................................................25
6.9 环氧沥青混合料的压实及成型 .......................................................................................................26
6.10 接缝...............................................................................................................................................27
6.11 养护及其他....................................................................................................................................27
7 浇注式沥青铺装 .....................................................................................................................................28
7.1 一般规定 .........................................................................................................................................28
7.2 桥面预处理 .....................................................................................................................................29
7.3 配合比设计 .....................................................................................................................................29
7.4 防水粘结层施工..............................................................................................................................30
7.5 浇注式沥青混合料铺装层施工准备................................................................................................31
7.6 浇注式沥青混合料的拌和...............................................................................................................31
7.7 浇注式沥青混合料的运输...............................................................................................................32
7.8 浇注式沥青混合料的摊铺...............................................................................................................32
8 剪结水泥混凝土铺装层与 SMA 复合铺装.............................................................................................33
8.1 一般规定.........................................................................................................................................33
8.2 桥面预处理 .....................................................................................................................................33
8.3 纤维水泥混凝土与高韧性轻集料水泥混凝土的设计.....................................................................35
8.4 水泥混凝土施工准备 ......................................................................................................................35
8.5 水泥混凝土的拌制..........................................................................................................................36
8.6 水泥混凝土的运输..........................................................................................................................36
8.7 水泥混凝土浇筑与养护 ..................................................................................................................36
8.8 防水粘结应力吸收层的铺设...........................................................................................................36
8.9 SMA 铺装.........................................................................................................................................37
9AC/SMA 桥面铺装..................................................................................................................................37
9.1 一般规定.........................................................................................................................................37
9.2 配合比设计 .....................................................................................................................................38
9.3 施工.................................................................................................................................................38
10 施工质量管理与检查验收....................................................................................................................39
10.1 一般规定 .......................................................................................................................................39
10.2 施工前的材料与设备检查取样 .....................................................................................................39
10.3 铺筑试验路段................................................................................................................................40
10.4 施工过程中的质量管理与检查 .....................................................................................................40
10.5 竣工验收阶段的工程质量检查与验收..........................................................................................46
10.6 铺装工程施工总结及质量保修期管理..........................................................................................47
附录 A （资料性附录） 浇注式沥青混合料配合比设计方法...................................................................48
附录 B （资料性附录） 高韧性轻集料水泥混凝土配合比设计方法........................................................50
附录 C （资料性附录） 桥面铺装粘结强度试验方法..............................................................................53
附录 D （资料性附录） 浇注式沥青混合料流动性试验方法...................................................................55
附录 E （资料性附录） 浇注式沥青混合料贯入度试验方法...................................................................56
附录 F （资料性附录） 防水粘结材料低温柔性试验方法.......................................................................58
条 文 说 明...........................................................................................................................................59